Maps proxy protocols to `http.Agent` implementations. 

Maps proxy protocols to `http.Agent` implementations

tootallnate

proxy-agent

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var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {

    var desc = Object.getOwnPropertyDescriptor(m, k);

    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {

      desc = { enumerable: true, get: function() { return m[k]; } };

var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {

    Object.defineProperty(o, "default", { enumerable: true, value: v });

var __importStar = (this && this.__importStar) || function (mod) {

    if (mod && mod.__esModule) return mod;

    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);

var __importDefault = (this && this.__importDefault) || function (mod) {

    return (mod && mod.__esModule) ? mod : { "default": mod };

Object.defineProperty(exports, "__esModule", { value: true });

exports.ProxyAgent = exports.proxies = void 0;

const http = __importStar(require("http"));

const https = __importStar(require("https"));

const lru_cache_1 = __importDefault(require("lru-cache"));

const agent_base_1 = require("agent-base");

const debug_1 = __importDefault(require("debug"));

const proxy_from_env_1 = require("proxy-from-env");

const pac_proxy_agent_1 = require("pac-proxy-agent");

const http_proxy_agent_1 = require("http-proxy-agent");

const https_proxy_agent_1 = require("https-proxy-agent");

const socks_proxy_agent_1 = require("socks-proxy-agent");

const debug = (0, debug_1.default)('proxy-agent');

    ...http_proxy_agent_1.HttpProxyAgent.protocols,

    ...socks_proxy_agent_1.SocksProxyAgent.protocols,

    ...pac_proxy_agent_1.PacProxyAgent.protocols,

    http: [http_proxy_agent_1.HttpProxyAgent, https_proxy_agent_1.HttpsProxyAgent],

    https: [http_proxy_agent_1.HttpProxyAgent, https_proxy_agent_1.HttpsProxyAgent],

    socks: [socks_proxy_agent_1.SocksProxyAgent, socks_proxy_agent_1.SocksProxyAgent],

    socks4: [socks_proxy_agent_1.SocksProxyAgent, socks_proxy_agent_1.SocksProxyAgent],

    socks4a: [socks_proxy_agent_1.SocksProxyAgent, socks_proxy_agent_1.SocksProxyAgent],

    socks5: [socks_proxy_agent_1.SocksProxyAgent, socks_proxy_agent_1.SocksProxyAgent],

    socks5h: [socks_proxy_agent_1.SocksProxyAgent, socks_proxy_agent_1.SocksProxyAgent],

    'pac+data': [pac_proxy_agent_1.PacProxyAgent, pac_proxy_agent_1.PacProxyAgent],

    'pac+file': [pac_proxy_agent_1.PacProxyAgent, pac_proxy_agent_1.PacProxyAgent],

    'pac+ftp': [pac_proxy_agent_1.PacProxyAgent, pac_proxy_agent_1.PacProxyAgent],

    'pac+http': [pac_proxy_agent_1.PacProxyAgent, pac_proxy_agent_1.PacProxyAgent],

    'pac+https': [pac_proxy_agent_1.PacProxyAgent, pac_proxy_agent_1.PacProxyAgent],

 * Uses the appropriate `Agent` subclass based off of the "proxy"

 * environment variables that are currently set.

 * An LRU cache is used, to prevent unnecessary creation of proxy

class ProxyAgent extends agent_base_1.Agent {

        this.cache = new lru_cache_1.default({ max: 20 });

        debug('Creating new ProxyAgent instance: %o', opts);

        this.httpAgent = opts?.httpAgent || new http.Agent(opts);

            opts?.httpsAgent || new https.Agent(opts);

        this.getProxyForUrl = opts?.getProxyForUrl || proxy_from_env_1.getProxyForUrl;

        const isWebSocket = req.getHeader('upgrade') === 'websocket';

        const host = req.getHeader('host');

        const url = new URL(req.path, `${protocol}//${host}`).href;

        const url = new url_1.URL(req.path, `${protocol}//${host}`).href;

        const proxy = this.getProxyForUrl(url);

            debug('Proxy not enabled for URL: %o', url);

            return secureEndpoint ? this.httpsAgent : this.httpAgent;

        // attempt to get a cached `http.Agent` instance first

        const cacheKey = `${protocol}+${proxy}`;

        let agent = this.cache.get(cacheKey);

            const proxyUrl = new URL(proxy);

            const proxyUrl = new url_1.URL(proxy);

            const proxyProto = proxyUrl.protocol.replace(':', '');

            if (!isValidProtocol(proxyProto)) {

                throw new Error(`Unsupported protocol for proxy URL: ${proxy}`);

            const ctor = exports.proxies[proxyProto][secureEndpoint || isWebSocket ? 1 : 0];

            agent = new ctor(proxy, this.connectOpts);

            this.cache.set(cacheKey, agent);

            debug('Cache hit for proxy URL: %o', proxy);

        for (const agent of this.cache.values()) {

  "description": "Maps proxy protocols to `http.Agent` implementations",

    "url": "https://github.com/TooTallNate/proxy-agents.git",

  "author": "Nathan Rajlich <nathan@tootallnate.net> (http://n8.io/)",

    "socksv5": "github:TooTallNate/socksv5#fix/dstSock-close-event",

    "test": "jest --env node --verbose --bail",

    "pack": "node ../../scripts/pack.mjs"

		{
		"name": "proxy-agent",
		"version": "6.3.0",
		"version": "6.3.1",
		"description": "Maps proxy protocols to `http.Agent` implementations",
		@@ -32,7 +32,7 @@ "main": "./dist/index.js",
		"http-proxy-agent": "^7.0.0",
		"https-proxy-agent": "^7.0.0",
		"https-proxy-agent": "^7.0.2",
		"lru-cache": "^7.14.1",
		"pac-proxy-agent": "^7.0.0",
		"pac-proxy-agent": "^7.0.1",
		"proxy-from-env": "^1.1.0",
		"socks-proxy-agent": "^8.0.1"
		"socks-proxy-agent": "^8.0.2"
		},
		@@ -39,0 +39,0 @@ "devDependencies": {

Improved metrics

Dependency changes

		@@ -32,2 +32,3 @@ "use strict";
		const https = __importStar(require("https"));
		const url_1 = require("url");
		const lru_cache_1 = __importDefault(require("lru-cache"));
		@@ -99,3 +100,3 @@ const agent_base_1 = require("agent-base");
		const host = req.getHeader('host');
		const url = new URL(req.path, `${protocol}//${host}`).href;
		const url = new url_1.URL(req.path, `${protocol}//${host}`).href;
		const proxy = this.getProxyForUrl(url);
		@@ -112,3 +113,3 @@ if (!proxy) {
		if (!agent) {
		const proxyUrl = new URL(proxy);
		const proxyUrl = new url_1.URL(proxy);
		const proxyProto = proxyUrl.protocol.replace(':', '');
		@@ -115,0 +116,0 @@ if (!isValidProtocol(proxyProto)) {